An abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between 3000 and 6000 m. Lying generally between the foot of a continental rise and a mid-ocean ridge, abyssal plains cover more than 50% of the Earth âs surface. They are among the flattest, smoothest and least explored regions on Earth.
Jim Beckwourth. On this day in 1844, Jim Beckwourth discovered a path through the Sierra Nevada Mountains that now bear his name. Beckwourth Pass on U.S. Alt 40 between Reno, Nevada and Sacramento, California made overland travel to the gold fields of California. Tweet.
Beckwourth came to Utah between 1824 and 1826. For several years he traveled in and out of Cache Valley and the Salt Lake Ogden areas trapping, hunting, and exploring. Among his comrades were Jim Bridger, Kit Carson, James Clyman, William Sublette, and Jedediah Smith.